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A-Level CAIE Mathematics A21.3 Coordinate geometryQuestion Bank

[Maximum number: 3]

Find the set of values of m for which the line with equation y=m x-3 and the curve with equation y=2x2+5y=2 x^{2}+5 do not meet.

[Maximum number: 4]

Find the set of values of m for which the line with equation y=m x+1 and the curve with equation y=3x2+2x+4y=3 x^{2}+2 x+4 intersect at two distinct points.

[Maximum number: 3]

Find the set of values of k for which the curve y=kx23xy=k x^{2}-3 x and the line y=x-k do not meet.

[Maximum number: 3]

A line has equation y=2 x-7 and a curve has equation y=x24x+cy=x^{2}-4 x+c, where c is a constant. Find the set of possible values of c for which the line does not intersect the curve.

[Maximum number: 5]

Find the coordinates of the point at which the perpendicular bisector of the line joining (2,7) to (10,3) meets the x-axis.

[Maximum number: 5]

Two points A and B have coordinates (1,3) and (9,-1) respectively. The perpendicular bisector of A B intersects the y-axis at the point C. Find the coordinates of C.

[Maximum number: 4]

A line has equation y=x+1 and a curve has equation y=x2+bx+5y=x^{2}+b x+5. Find the set of values of the constant b for which the line meets the curve.

[Maximum number: 3]

The equation of a curve is y=x26x+ky=x^{2}-6 x+k, where k is a constant.

(a)

Find the value of k for which the line y+2 x=7 is a tangent to the curve.

[ 3 ]
[Maximum number: 4]

Find the set of values of a for which the curve y=2xy=-\frac{2}{x} and the straight line y=a x+3 a meet at two distinct points.

[Maximum number: 5]

Find the set of values of m for which the line y=m x+4 intersects the curve y=3x24x+7y=3 x^{2}-4 x+7 at two distinct points.

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